| Collector | Jorgensen, P. M. |
| Number | 92862 |
| Collected with | Ulloa, C. & Luteyn, J. L. |
| Country | Ecuador |
| Subpart | AZUAY |
| County | |
| Locality | San Joaquín - Soldados - Angas, km 36.8 - 37.6. Grass páramo with a few shrubs and swamp area along river Yanuncay. |
| Coordinates | 2° 56' S 79° 16' W |
| Minimum elevation (m) | 3590 |
| Maximum elevation (m) | 3600 |
| Start date | 1990/12/05 |
| End date | 1990/12/05 |
| Family | Callitrichaceae |
| Identification | Callitriche heterophylla Pursh |
| Determined by | Terneus, E. (AAU), 1998. |
| Identification qualifier | |
| Field notes | In running water. Fruits green. |